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Summation of Floating-Point Numbers in Cython
Adding up a list of floating-point numbers: seems simple. IEEE 754 double-precision floats (float64) carry about 15 to 17 significant decimal digits, and…
In-memory cosine distance calculation, NumPy vs DuckDB
This notebook compares the performance of NumPy and DuckDB for computing cosine distances on the same dataset.
Visualizing the Ulam Spiral with Python
The Ulam spiral arranges integers in a spiral and highlights prime numbers, revealing some diagonal alignment patterns.
Using a local sentence embedding model for similarity calculation
A simple yet powerful use case of sentence embeddings is computing the similarity between different sentences.
Visualizing some polynomial roots with Datashader
Last week-end I found this interesting tweet by sara: The above figure shows all the complex roots from the various polynomials of degree 10 with…
Forward and reverse stars in Cython
This notebook is the following of a previous one, where we looked at the forward and reverse star representations of a sparse directed graph in pure…
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